/ Thesaurus / C Synonyms of calcarine sulcus Find synonyms for: Noun1. calcarine sulcus, calcarine fissure, sulcususage: a sulcus in the mesial surface of the occipital lobe of the cerebrumWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reluctant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language